package ch.cyberduck.core.local;

/*
 * Copyright (c) 2002-2014 David Kocher. All rights reserved.
 * http://cyberduck.io/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Bug fixes, suggestions and comments should be sent to:
 * feedback@cyberduck.io
 */

import ch.cyberduck.core.preferences.PreferencesFactory;

import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.StringUtils;

public class WorkdirPrefixer {

    private final WorkingDirectoryFinder finder
            = WorkingDirectoryFinderFactory.get();

    private boolean isAbsolute(final String path) {
        return FilenameUtils.getPrefixLength(path) != 0;
    }

    public String normalize(final String name) {
        if(StringUtils.equals(name, ".")) {
            return finder.find().getAbsolute();
        }
        if(StringUtils.equals(name, "..")) {
            return finder.find().getParent().getAbsolute();
        }
        if(!this.isAbsolute(name)) {
            return String.format("%s%s%s", finder.find().getAbsolute(), PreferencesFactory.get().getProperty("local.delimiter"), name);
        }
        return name;
    }
}
